Intro to Earth Science
Classification
Grouping together of similar observations and inferences to make the study of the environment meaningful
Cyclic Change
Changes in the environment the occur in some orderly fashion in which the events constantly repeat.
Density
Concentration of matter in an object. Ratio of mass over volume. (mass divided by volume)
Dynamic Equilibrium
Balancing out of opposing forces. Example: evaporation adn condensation
Inference
Interpretation of an observation. A metnal process that proposes causes, conclusions, or explanations for what has been observed.
Instrument
Device to extend senses beyond normal limits
Interface
Boundry between regions with different properties. Place for energy exchange
Mass
Amount of matter in an object. Unlike weight, not affected by location.
Measurement
A numerical value compared to a standard. For example, a ruler
Natural Hazard
Object, process or situation that has the possibility of causing death, injury, or destruction of property.
Natural Resource
Materials and resources in the environment used by humans.
Observation
Perception of the environment by the senses, with or without aid of instruments.
Percent Deviation
The numerical value, expressed as a percent by which a measurement differs from the standard or accepted value.
Pollution
Substance or form of energy that harms people, plants and animals
Prediction
Inference about conditions and behavior of envionment in the future.
Rate of Change
How much a measurable aspect of the environment, called a field, is altered over time. (change in field value divied by change in time)
Universe
Totality of all things that exist (matter, time, energy, space)
Volume
Amount of space an object occupies
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